Fluid compositions containing polyhydroxy fatty acid amides

Details Fluid compositions containing polyhydroxy fatty acid amides Fluid compositions containing polyhydroxy fatty acid amides

C - Chemistry, Metallurgy

11

D

C11D 11/00 (2006.01) C11D 1/52 (2006.01) C11D 3/20 (2006.01) C11D 3/32 (2006.01)

Patent

CA 2131173

Stock solutions of polyhydroxy fatty acid amide surfactants at high concentrations are characterized by their unfortunate tendency to thicken, or gel, on storage. Mild heating and the inclusion of carboxylates such as oxydisuccinate, citrate, or tartrate-succinate maintain the viscosity of such solutions below about 2,000 centipoise, even at temperatures around 30°C.

Divulgation de solutions mères de surfactants à base d'amide d'acides gras polyhydroxylés, à haute concentration, caractérisées par leur fâcheuse tendance à épaissir, ou à se gélifier lors de l'entreposage. Un chauffage modéré et l'incorporation de carboxylates, comme des oxydisuccinates, des citrates ou des tartrates-succinates, permettent de maintenir la viscosité de telles solutions en dessous d'environ 2 000 centipoises, même à des températures d'environ 30 .degré.C.

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